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| Mirrors > Home > MPE Home > Th. List > domentr | Structured version Visualization version GIF version | ||
| Description: Transitivity of dominance and equinumerosity. (Contributed by NM, 7-Jun-1998.) |
| Ref | Expression |
|---|---|
| domentr | ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | endom 8985 | . 2 ⊢ (𝐵 ≈ 𝐶 → 𝐵 ≼ 𝐶) | |
| 2 | domtr 9013 | . 2 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) | |
| 3 | 1, 2 | sylan2 605 | 1 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 class class class wbr 5114 ≈ cen 8949 ≼ cdom 8950 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-pow 5341 ax-pr 5409 ax-un 7745 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ral 3083 df-rex 3093 df-rab 3420 df-v 3460 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-opab 5179 df-id 5561 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-f1o 6550 df-en 8953 df-dom 8954 |
| This theorem is used by: domdifsn 9058 xpdom1g 9072 domunsncan 9075 sdomdomtr 9108 domen2 9118 mapdom2 9146 unxpdom2 9230 sucxpdom 9231 xpfir 9238 cardsdomelir 9978 infxpenlem 10016 xpct 10019 infpwfien 10065 inffien 10066 mappwen 10115 iunfictbso 10117 djuxpdom 10188 cdainflem 10190 djuinf 10191 djulepw 10195 ficardun2 10204 unctb 10206 infdjuabs 10207 infunabs 10208 infdju 10209 infdif 10210 infxpdom 10212 pwdjudom 10217 infmap2 10219 fictb 10246 cfslb 10268 fin1a2lem11 10412 fnct 10539 unirnfdomd 10570 iunctb 10577 alephreg 10585 cfpwsdom 10587 gchdomtri 10632 canthp1lem1 10655 pwfseqlem5 10666 pwxpndom 10669 gchdjuidm 10671 gchxpidm 10672 gchpwdom 10673 gchhar 10682 inttsk 10777 inar1 10778 tskcard 10784 znnen 16293 qnnen 16294 rpnnen 16308 rexpen 16309 aleph1irr 16327 cygctb 19993 1stcfb 23639 2ndcredom 23644 2ndcctbss 23649 hauspwdom 23695 tx2ndc 23845 met1stc 24715 met2ndci 24716 re2ndc 24995 opnreen 25026 ovolctb2 25688 ovolfi 25690 uniiccdif 25774 dyadmbl 25796 opnmblALT 25799 vitali 25809 mbfimaopnlem 25851 mbfsup 25860 aannenlem3 26530 dmvlsiga 34550 sigapildsys 34584 omssubadd 34722 carsgclctunlem3 34742 karddom 35598 finminlem 36870 phpreu 38296 lindsdom 38306 mblfinlem1 38349 pellexlem4 43600 pellexlem5 43601 pr2dom 44294 tr3dom 44295 nnfoctb 45809 ioonct 46294 subsaliuncl 47113 caragenunicl 47279 eufunclem 50340 aacllem 50662 |
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